DEV Community

JavaScript

Once relegated to the browser as one of the 3 core technologies of the web, JavaScript can now be found almost anywhere you find code. JavaScript developers move fast and push software development forward; they can be as opinionated as the frameworks they use, so let's keep it clean here and make it a place to learn from each other!

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Polymorphism in JavaScript

Polymorphism in JavaScript

8
Comments
1 min read
✨ module to read git user config from the system and return it as a JSON object.

✨ module to read git user config from the system and return it as a JSON object.

7
Comments
1 min read
Vanilla JavaScript palindrome checker in 3 lines

Vanilla JavaScript palindrome checker in 3 lines

47
Comments 7
2 min read
Cypress and getting a single report for all suites

Cypress and getting a single report for all suites

6
Comments
3 min read
Love Them or Hate Them, Coding Exercises Are an Essential Part of Software Engineering Interviews

Love Them or Hate Them, Coding Exercises Are an Essential Part of Software Engineering Interviews

104
Comments 15
4 min read
Dockerize your Development Environment for NodeJS

Dockerize your Development Environment for NodeJS

183
Comments 11
5 min read
What is Currying in JavaScript?

What is Currying in JavaScript?

86
Comments 2
4 min read
Highlights and new Features in Angular 11

Highlights and new Features in Angular 11

5
Comments
2 min read
Deno: Javascript from the terminal

Deno: Javascript from the terminal

13
Comments
2 min read
What You Can Achieve with 30 Days of JavaScript30 Challenge

What You Can Achieve with 30 Days of JavaScript30 Challenge

32
Comments
3 min read
i18n + Google Spreadsheet = ♥️

i18n + Google Spreadsheet = ♥️

6
Comments
1 min read
6 Tips for Beginners to Write Good Unit Tests

6 Tips for Beginners to Write Good Unit Tests

8
Comments
8 min read
"this" in javascript

"this" in javascript

9
Comments
2 min read
🚀Closure in Javascript👨‍💻

🚀Closure in Javascript👨‍💻

6
Comments
1 min read
Track JavaScript HTTP Requests in the Browser

Track JavaScript HTTP Requests in the Browser

3
Comments
4 min read
Introducing BTGen, your new best friend

Introducing BTGen, your new best friend

6
Comments 2
2 min read
Prettier Autoformat for TypeScript not Working

Prettier Autoformat for TypeScript not Working

57
Comments 20
1 min read
React code... Navid Mansuri

React code... Navid Mansuri

3
Comments
1 min read
Improving Ember.js serve and testing performance

Improving Ember.js serve and testing performance

6
Comments
4 min read
This Week in JavaScript by Joel 2020-10-08

This Week in JavaScript by Joel 2020-10-08

20
Comments
3 min read
Can Programming be Emotional?

Can Programming be Emotional?

33
Comments 8
2 min read
Updating Iframe height based on his content.

Updating Iframe height based on his content.

9
Comments
2 min read
Problems with Using for...in on Arrays in JavaScript

Problems with Using for...in on Arrays in JavaScript

30
Comments 15
2 min read
Programming is a lot like making electronic music (Ivy and Derek show you)

Programming is a lot like making electronic music (Ivy and Derek show you)

3
Comments
1 min read
Vue 3 - 10 apps in 10 hours

Vue 3 - 10 apps in 10 hours

87
Comments
1 min read
Four Pillars of OOP

Four Pillars of OOP

7
Comments 1
1 min read
How to make wiggly div in React

How to make wiggly div in React

6
Comments
2 min read
Refactoring landing page with React, NextJS & TailwindCSS

Refactoring landing page with React, NextJS & TailwindCSS

56
Comments 4
17 min read
Week 19: Closures and the keyword 'this'

Week 19: Closures and the keyword 'this'

5
Comments
2 min read
Supabase: seven months of building. 02:55

Supabase: seven months of building.

92
Comments 16
3 min read
How to use HarperDB instance with React Hooks

How to use HarperDB instance with React Hooks

42
Comments 7
7 min read
Push Notifications using Firebase in PWAs built with Expo

Push Notifications using Firebase in PWAs built with Expo

7
Comments 1
5 min read
A Quick Look At Reacts useState

A Quick Look At Reacts useState

5
Comments
2 min read
Lodash import - done Right!

Lodash import - done Right!

13
Comments
3 min read
Introduction to Creating a JavaScript Game

Introduction to Creating a JavaScript Game

4
Comments
1 min read
Reversed Strings with JavaScript

Reversed Strings with JavaScript

2
Comments
1 min read
React Hooks useState tutorial in 10 minutes

React Hooks useState tutorial in 10 minutes

14
Comments
1 min read
Day 17 of 100DaysOfCode

Day 17 of 100DaysOfCode

4
Comments
2 min read
What is a React Component?

What is a React Component?

6
Comments
4 min read
Storing JavaScript as QR Code

Storing JavaScript as QR Code

18
Comments
1 min read
An Overview of Javascript Module Types

An Overview of Javascript Module Types

9
Comments
13 min read
Type Guards in Javascript Using JSDoc Comments

Type Guards in Javascript Using JSDoc Comments

5
Comments
1 min read
Housework Undoer — a meaningful challenge for aspiring junior developers

Housework Undoer — a meaningful challenge for aspiring junior developers

7
Comments
5 min read
Getting started with React and Firebase

Getting started with React and Firebase

9
Comments
4 min read
What is Debouncing? Search Suggestions - A Javascript Implementation

What is Debouncing? Search Suggestions - A Javascript Implementation

16
Comments 3
4 min read
Expression Parser : Part 2 - Define and implement a visitor for MongoDB

Expression Parser : Part 2 - Define and implement a visitor for MongoDB

4
Comments 4
6 min read
Setting up a rich text editor in React: Inserting images

Setting up a rich text editor in React: Inserting images

25
Comments 3
3 min read
How to split string without using JS's inbuilt spit function

How to split string without using JS's inbuilt spit function

11
Comments 5
3 min read
✨ Github-feed-cli : Github feed right at your terminal.

✨ Github-feed-cli : Github feed right at your terminal.

8
Comments
2 min read
Day 4: Hoisting in JS

Day 4: Hoisting in JS

5
Comments 1
2 min read
Measure the time taken by a function to execute - console.time & console.timeEnd ⏳⏲

Measure the time taken by a function to execute - console.time & console.timeEnd ⏳⏲

2
Comments
1 min read
AWS Amplify: How to interact with an existing S3 bucket

AWS Amplify: How to interact with an existing S3 bucket

43
Comments 1
5 min read
call(), apply() and bind() in JavaScript explained

call(), apply() and bind() in JavaScript explained

13
Comments
5 min read
This post has 8 reactions! - Using the dev.to API to update the post title with the reactions count!

This post has 8 reactions! - Using the dev.to API to update the post title with the reactions count!

9
Comments
2 min read
Integrating Vuex with the Vue Composition API

Integrating Vuex with the Vue Composition API

31
Comments 1
6 min read
JavaScript Optional Chaining

JavaScript Optional Chaining

6
Comments
2 min read
Making ISS 🛰️ tracker using Leaflet and Svelte V2

Making ISS 🛰️ tracker using Leaflet and Svelte V2

11
Comments
1 min read
How to implement a random exponential backoff algorithm in Javascript ★

How to implement a random exponential backoff algorithm in Javascript ★

11
Comments
2 min read
Web-App using HTML, JS & Firebase - Part 1

Web-App using HTML, JS & Firebase - Part 1

67
Comments 5
11 min read
15+ Easy-Peasy Services to deploy your Static WebApp for Free 🤑

15+ Easy-Peasy Services to deploy your Static WebApp for Free 🤑

327
Comments 16
5 min read
loading...